Making the rounds: A red carpet veteran, Natalie expertly navigated her way through the crowd

Signing off: A consummate professional, Ms. Portman made sure to stop and greet the fans, signing a few autographs along the way

'The sisters compose and perform a song about their experience, making something lovely and cathartic out of catastrophe — while also catapulting Celeste to stardom.'

'By 2017, the now 31-year-old Celeste (Natalie Portman) is mother to a teenage daughter of her own and struggling to navigate a career fraught with scandals when another act of terrifying violence demands her attention.'